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- radio wave front distortion 无线电波波前畸变
- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- At each interface the spreading wave front is made discontinuous. 在每一分界面上扩展的波前出现间断。
- We directed radio waves around the globe. 我们向全球发射无线电波。
- These radio waves are coming at 15000 hertz. 这些无线电波以每秒 15 千赫的波长发出。
- It starts with zero and grows to a maximum slightly behind the wave front. 它从零值开始,并在稍后于波阵面处增长到最大值。
- Coming through the sky like a satellite, like a radio wave, a meteorite. 穿过天空,像一枚卫星,一束电波,一颗陨石。
- The universe is bathed in a sea of radio waves. 宇宙浸泡在无线电波的海洋中。
- Both the quick-algorithm of radio wave reflation are presented in the paper. 本文提出了电波折射误差快速算法及修正。
- Radio waves travel in straight lines. 无线电波是直线传播的。
- Heinrich Hertz produces radio waves. 海因里希。赫兹制造出无线电波。
- The radii are proportional to the time which has elapsed since the wave front occupied the position wi. 半径与波前占据wi位置以来能经过的时间成正比。
- We consider radio waves as radiant energy. 我们把无线电波看作是辐射能。
- Radio waves are regarded as radiant energy. 无线电波被看成是辐射能。
- This assumption is reasonably justified in the early stages, when the wave front is not far from ground zero. 这种假定在初期阶段波阵面离地面零点不远时是相当合理的。
- The next page explains radio waves and modulation. 下一页解释无线电波和调变。
- This page describes radio waves and modulation. 本页描述无线电波和调变。
- If a refraction or a reflecting body is irreqular, the wave front undergoes a deformation. 如果折射体或反射体是不规则的,波前即产生变形。
- Radio waves could be reflected from solid objects. 无线电波可以被坚固的物体反射。
- The planes of the wave front and the reflecting surface are also normal to the plane of the figure. 波阵面的诸平面与反射面都与图面垂直。